14565-3438 I   227AB

 
 
14h 56m 30.78s -34 37' 54.2" P.A. 94.9 sep 0.47 mag 8.06,8.39 Sp F8V dist. 61.05 pc (199.15 l.y.)
 
 
Coord 2000
14565-3438
Discov num
I   227
Comp
AB
Coord arcsec 2000
14 56 30.78 -34 37 54.2
Date first
1897
Date last
2016
Obs
40
Pa first
110
Pa last
97
P.A. Now (θ)
94.9°
Sep first
0.9
Sep last
0.4
Sep. Now (ρ)
0.47"
Mag pri
8.06
Mag sec
8.39
delta mag (ΔM)
0.33
Spectral class
F8V (yellow-white)
Pri motion ra
-090
Sec motion ra
Pri motion dec
-033
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
14565-3438 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 206111 14565-3438 I 227 AB 1897 2016 40 95 0.5 8.06 8.39 0.33 Y <===
Show 206111 14565-3438 B 2778 AB,C 1927 2000 5 93 10.7 7.40 14.00 6.60
Show 206111 14565-3438 SEE 215 AB,D 1897 2016 9 31 58.1 7.40 9.86 2.46
Quadruple system
5 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
97.2
Precise sep
0.441
Constellation
Centaurus
SAO
206111
HIP
73108
Tycho2
7306-02618-1
HD
131751
CD
CD-3410047
Distance
61.05
Distance ly
199.15
last precise pa
97.2
last precise sep
0.441
 
 
ORBITAL ELEMENTS
 
 
Period (P)40y Periastron (T)1955.5y Semi-major axis (a)0.2563a
Eccentricity (e)0.865 Inclination (i)126.2° Longitude of periastron (ω)162.77°
Node (Ω)85.7° Note Grade4(1=Definitive, 9=Indet.)
Equinox1950 Last observation1960
label rho theta
2000 0.207 118.3
2001 0.241 114.8
2002 0.272 112.1
2003 0.299 110.0
2004 0.324 108.2
2005 0.347 106.6
2006 0.367 105.3
2007 0.385 104.0
2008 0.401 102.9
2009 0.415 101.8
2010 0.427 100.8
2011 0.438 99.9
2012 0.447 99.0
2013 0.454 98.2
2014 0.459 97.3
2015 0.463 96.5
2016 0.465 95.7
2017 0.465 94.9
2018 0.464 94.1
2019 0.461 93.2
2020 0.456 92.4
2021 0.450 91.5
2022 0.441 90.7
2023 0.430 89.7
2024 0.418 88.8
2025 0.403 87.7
2026 0.386 86.6
2027 0.366 85.4
2028 0.343 84.0
2029 0.317 82.4
2030 0.287 80.4

Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.

grafico orbita





wds14565-3438a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
14565-3438 I 227 AB 1991 34 81 0.3 8.06 8.39 F8V NOD 145630.78-343754.2
14565-3438 I 227 AB 2009 36 104 0.4 8.06 8.39 F8V NOD 145630.78-343754.2
14565-3438 I 227 AB 2010 37 106 0.4 8.06 8.39 F8V NO 145630.78-343754.2
14565-3438 I 227 AB 2014 38 100 0.4 8.06 8.39 F8V NO 145630.78-343754.2
14565-3438 I 227 AB 2016 40 97 0.4 8.06 8.39 F8V NO 145630.78-343754.2

If you need more information about this double, apply for a data request form to the WDS.